Want to know which two athletes tested positive for antipsychotics? Which baseball Olympians failed drug tests at which Games? Which country has had more athletes test positive for banned drugs than any other? Which events have produced the most positive drug tests? Click on the rings to learn more about better living — or at least better athletic performance — through chemistry.

It's almost as predictable as barbecues in the summer — the July fireworks injury. The US Consumer Product Safety Commission has tracked emergency room reports from a sample of about 100 hospitals around the country for nearly two decades. Every year, Independence Day brings star-spangled skies and a flurry of hospital visits.

Explore the affordability of brand-name and generic cancer drugs in seven countries with this data visualization. We've compared the drug prices to an economics metric known as GDP PPP per capita per month, which stands in for an average individual's purchasing power. Hover over the data points to see how easy, or hard, it is to afford cancer drugs on a typical monthly income in each country.

Cancer is perceived by American adults to be more serious than any other disease or health condition by a four-fold margin, even though it is the second leading cause of death in the nation. Even though heart disease kills more Americans every year than any other disease or health condition, relatively few Americans believe it is more serious then cancer.

From 1999 to 2014, over half a million Americans died from overdoses of legal or illegal drugs, according to the Centers for Disease Control and Prevention. Explore the interactive visualization to learn more about overdose deaths caused by narcotics and hallucinogens from 1999 to 2014.

STAT examined data reporting for all institutions – federal agencies, universities, hospitals, nonprofits, and corporations – required to report results to ClinicalTrials.gov for at least 20 human experiments since 2008. This visualization shows the first comparative analysis of their performance. Among the groups, just two companies provided trial results within the legal deadline more that half the time. Most – including the National Institutes of Health, which oversees the reporting system – violated the law the vast majority of the time.

Support for statements about regulation and health effects of e-cigarettes by those who have never used e-cigarettes (76%) and those who have ever used e-cigarettes (23%) compared to the total. The sizes of the enclosed colored areas display the groups' overall negative attitudes about e-cigarettes, tobacco cigarettes, and marijuana.

The Game of Life (an example of a cellular automaton) is usually played on an infinite two-dimensional rectangular grid of cells. In this implementation the sides are joined together to simulate a torus (doughnut) in 2D (you can see what it would look like in 3D here).

The arms sales of the world's top 100 arms-producing companies in the OECD and developing countries (except China) in 2013. The tooltip contains financial and employment data for arms-producing companies. Hover to see details.

Since 2005, at least 120 rural hospitals have been shuttered in the US. More than a third of rural hospitals operate at a loss, according to the National Rural Health Association. One in four is at risk of closing in the next decade.

It might seem like the Zika virus exploded out of nowhere in Brazil a few months ago, but the virus has been all over the world since it was discovered in Uganda in 1947. Discover the distribution of the Zika virus infection and associated neurological disorders across time and geographies, starting in 1947.

In recent years the NFL has implemented new rules to reduce concussions among players. But with two weeks to go in the 2015 regular season, players have already suffered more concussions than in either of the previous two seasons. Here are the recent statistics, by team.

Six out of ten low achievers in reading, math, and science in OECD PISA surveys are boys. Analysis reveals that boys are much more likely to underperform in school than girls, leading to disengagement and higher dropout rates. The map shows the gender gap, the difference between low-achieving boys and girls per 100 school students.

This visualization was created in memory of prominent Russian opposition leader, Boris Nemtsov, who was one of the most vocal critics of Russian President Vladimir Putin, and who was demonstratively killed in front of the Kremlin by ... . The information in his post from September 7, 2014, visualized here, may have changed by now, especially after he had aired it, but his message remains true today: members of Russia's ruling elite publicly accuse the West of promoting immoral lifestyles, sparking world conflicts, and call it the main enemy of and threat to Russia and its people, while sending their children to live in Western countries.

Although, the official definition of "single" is someone who has never been married, divorced, or widowed, here it's simply a person who is not currently married or in a consensual relationship -- someone who is available for dating. Take it with a grain of salt.

Corruption perceptions index relates to perceptions of the degree of corruption as seen by business people and country analysts, and ranges between 10 (highly clean) and 0 (highly corrupt). These perceptions enhance our understanding of real levels of corruption from one country to another.

My name is Talia Bronshtein, and I am an award-winning data journalist, researcher, Ph.D. in economics, Fulbright alumna, and a consultant.

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